A bacterial cell transfers chromosomal genes to F- cells, but it rarely causes them to become F+. The bacterial cell is: A: Hfr. B: lysogenic. C: Auxotrophic. D: lytic.

lytic cocktail include A: chlorpromazine, promethazine, codeine B: morphine, pethidine, promethazine C: pethidine, chlorpromazine, promethazine D: fentanyl, droperidol, chlorpromazine E: promethazine, chlorpromazine, naloxone

The life cycle of virulent phages that always kill their host cell and never become inactive prophages would be the _____ cycle. A: lethal B: lytic C: temperate D: strict E: lysogenic